"I do not think there is any thrill that
can go through the human heart like that felt by the inventor as he sees
some creation of the brain unfolding to success... such emotions make a
man forget food, sleep, friends, love, everything."
Nikola Tesla
***************************************************
***************************************************
***************************************************
A non-radioactive method of detecting an enzyme-substrate
reaction comprising coupling said reaction with a tetrazolium salt and
the transfer of free electrons from the reaction to produce a single
color or fluorescent formazan. The method is used for assaying a
plurality of compounds for enzyme activity.
Methods for assaying the formation and cleavage of enzymatic covalent bond
JP2001514903A
Japan
(57) Abstract: Enzyme - A non-radioactive method of detecting a
substrate reaction, the method, the reaction by conjugation movement and
free electrons from the tetrazolium salt and the reaction, a single
coloration comprising the step of causing color or fluorescent formazan. This method is used a plurality of compounds to assay for enzyme activity.
_________________________________________________________________________________
European Patent Office
_________________________________________________________________________________
A method to assay enzymatic covalent bond formation and cleavage
AU9023298A
Australia
C12Q1/26
Measuring or
testing processes involving enzymes, nucleic acids or microorganisms;
Compositions therefor; Processes of preparing such compositions
involving oxidoreductase
G01N2333/91057
Acyltransferases other than aminoacyltransferases (general) (2.3.1) with definite EC number (2.3.1.-)
G01N2333/916
Hydrolases (3) acting on ester bonds (3.1), e.g. phosphatases (3.1.3), phospholipases C or phospholipases D (3.1.4)
Y10S435/81
Packaged device or kit
_________________________________________________________________________________
Non-radioactive method for detecting a labelled segment and a solution or composition therefor
United States 5,354,658
A non-radioactive method of detecting a ligand and antiligand complex labelled with alkaline phosphatase or a tracer having alkaline phosphatase conjugated thereto comprises reacting the complex with bromo-chloro-indolyl phosphate (BCIP), phenazine methosulfate (PMS) and dimethylthiazol diphenyl tetrazolium (MTT) and allowing the reaction to proceed to produce a colored formazan or a color change...
--------------------------------------------------------------------------------------------------------------------------------------------------
Enzymatic method for detecting a labelled segment and a solution or composition therefor
United States 5,670,327
A non-radioactive method of detecting the enzymes beta galactosidase or beta glucosidase directly or for the detection of a ligand and antiligand complex is provided wherein beta galactosidase or the complex labelled with beta galactosidase or a tracer having beta galactosidase conjugated thereto is reacted with 5-bromo-4-chloro-3-indolyl-B-D-galactoside and a tetrazolium salt to produce a...
--------------------------------------------------------------------------------------------------------------------------------------------------
Direct chloramphenicol acetyl transferase assay
United States 6,225,074
A direct assay for chloramphenicol acetyl transferase (CAT) has been presented wherein the assay reagent comprises chloramphenicol, an acyl CoA compound, and a tetrazolium salt, and wherein the reagent does not have any added coupling redox enzymes. In one embodiment, the reagent is mixed with the test sample and the presence of CAT is detected by an optical response. In a second embodiment, the...
--------------------------------------------------------------------------------------------------------------------------------------------------
STABLE REAGENT FOR FORMAZAN-BASE ASSAY
Japan 11-190740
PROBLEM TO BE SOLVED: To obtain a reagent composition for tetrazolium-base assay, etc., by compounding 5-methyl-phenazinium methyl sulfate nitric acid and a salt of a metal such as V, Mn, Co or their mixture, etc.
SOLUTION: A reagent composition useful e.g. for the assay using the reduction of a tetrazolium salt into a formazan as a detection/signalization system for the presence of a target...more
--------------------------------------------------------------------------------------------------------------------------------------------------
METHODE DE DETECTION NON RADIO-ACTIVE D'UN SEGMENT MARQUE ET SOLUTION OU COMPOSITION CONNEXE
Canada 2,155,028
Un
procédé non radioactif de détection d'un complexe ligand/antiligand
marqué par la phosphatase alcaline ou un traceur auquel est conjuguée
une phospatase alcaline, consiste à fare réagir le complexe avec du
phosphate de bromo-chloro-indolyle (BCIP), du méthosulfate de phénazine
(PMS) et du tétrazolium de diméthylthiazol diphényl (MTT), et à
permettre à la réaction de se poursuivre pour produire...more
--------------------------------------------------------------------------------------------------------------------------
NON-RADIOACTIVE METHOD FOR DETECTING A LABELLED SEGMENT AND A SOLUTION OR COMPOSITION THEREFOR
Europe PCT/US1994/001224
A
non-radioactive method of detecting a ligand and antiligand complex
labelled with alkaline phosphatase or a tracer having alkaline
phosphatase conjugated thereto comprises reacting the complex with
bromo-chloro-indolyl phosphate (BCIP), phenazine methosulfate (PMS) and
dimethylthiazol diphenyl tetrazolium (MTT) and allowing the reaction to
proceed to produce a colored formazan or a color change...more
---------------------------------------------------------------------------------------------------------------------------
METHOD FOR ATTACHING MOLECULAR PROBES TO A SOLID SUPPORT
Europe PCT/US2005/009962
Disclosed
is a novel method for attaching aldehyde, ketone or carboxyamide
derivatives of molecular probes to hydrazide or hydrazine treated solid
supports under alkaline conditions. In contrast to chemistries commonly
used to attach biologically relevant molecules to a solid support (e.g.,
thiol or primary amine conjugation chemistry), the hydrazone bonds
disclosed here exhibit improved chemical...more
--------------------------------------------------------------------------------------------------------------------------
METHOD FOR IMMOBILIZING MOLECULAR PROBES TO A SEMICONDUCTOR OXIDE SURFACE
United States PCT/US2005/037294
A
method immobilizing molecules on the surface of a semiconductor oxide
substrate by forming stable bonds with hydrazine bound to the surface is
disclosed. Also disclosed is a FET sensor for sensing target molecules
in a solution. The FET is modified with molecular probes immobilized on
the sensor surface via hydrazone bonds. The immobilized molecular probes
are available to bind target molecules...more
--------------------------------------------------------------------------------------------------------------------------
Direct cholesterol esterase assay
United States 20010014462
A
direct assay for cholesterol esterase is provided wherein the assay
reagent comprises a tetrazolium salt, a cholesterol ester an exogenous
electron carrier to create an assay sample. In one embodiment the
reagent is mixed with a test sample and the presence of cholesterol
esterase is detected by an optical response. In a second embodiment, the
reagent is mixed with a test sample and the optical...more
--------------------------------------------------------------------------------------------------------------------------
A METHOD TO ASSAY ENZYMATIC COVALENT BOND FORMATION AND CLEAVAGE
Europe PCT/US1998/017122
A
non-radioactive method of detecting an enzyme-substrate reaction
comprising coupling said reaction with a tetrazolium salt and the
transfer of free electrons from the reaction to produce a single color
or fluorescent formazan. The method is used for assaying a plurality of
compounds for enzyme activity.
--------------------------------------------------------------------------------------------------------------------------
Stable reagent for formazan-based assay
Europe EP0971037A2
This
invention relates to a stable, all-in-one aqueous reagent comprising
5-methyl-phenazinium methyl sulfate (phenazine methosulfate (PMS)),
nitric acid and a metal salt wherein the metal is selected from the
group consisting of vanadium, manganese, cobalt, and mixtures thereof,
useful in assays which use alkaline phosphatase as a reporter enzyme and
a reduction of a tetrazolium salt to a...more
--------------------------------------------------------------------------------------------------------------------------
HISTIDINE DERIVATIVES AND THEIR PHARMACEUTICAL USES
Europe WO/2010/115130
Disclosed herein are the compositions and methods for a compound of Formula Ia or Ib.
--------------------------------------------------------------------------------------------------------------------------
Method for immobilizing molecular probes to a semiconductor oxide surface
United States 20060121501
A
method immobilizing molecules on the surface of a semiconductor oxide
substrate by forming stable bonds with hydrazine bound to the surface is
disclosed. Also disclosed is a FET sensor for sensing target molecules
in a solution. The FET is modified with molecular probes immobilized on
the sensor surface via hydrazone bonds. The immobilized molecular probes
are available to bind target molecules...more
--------------------------------------------------------------------------------------------------------------------------
NON-RADIOACTIVE METHOD FOR DETECTING A LABELLED SEGMENT AND A SOLUTION OR COMPOSITION THEREFOR
Europe EP0701626A1
A
non-radioactive method of detecting a ligand and antiligand complex
labelled with alkaline phosphatase or a tracer having alkaline
phosphatase conjugated thereto comprises reacting the complex with
bromo-chloro-indolyl phosphate (BCIP), phenazine methosulfate (PMS) and
dimethylthiazol diphenyl tetrazolium (MTT) and allowing the reaction to
proceed to produce a colored formazan or a color change...more
---------------------------------------------------------------------------------------------------------------------------
NON-RADIOACTIVE METHOD FOR DETECTING A LABELLED SEGMENT AND A SOLUTION OR COMPOSITION THEREFOR
Europe EP0701626A4
A
non-radioactive method of detecting a ligand and antiligand complex
labelled with alkaline phosphatase or a tracer having alkaline
phosphatase conjugated thereto comprises reacting the complex with
bromo-chloro-indolyl phosphate (BCIP), phenazine methosulfate (PMS) and
dimethylthiazol diphenyl tetrazolium (MTT) and allowing the reaction to
proceed to produce a colored formazan or a color change...more
---------------------------------------------------------------------------------------------------------------------------
A METHOD TO ASSAY ENZYMATIC COVALENT BOND FORMATION AND CLEAVAGE
Europe EP1019531A1
A
direct assay for chloramphenicol acetyl transferase (CAT) has been
presented wherein the assay reagent comprises chloramphenicol, an acyl
CoA compound, and a tetrazolium salt, and wherein the reagent does not
have any added coupling redox enzymes. In one embodiment, the reagent is
mixed with the test sample and the presence of CAT is detected by an
optical response. In a second embodiment, the...more
---------------------------------------------------------------------------------------------------------------------------
A METHOD TO ASSAY ENZYMATIC COVALENT BOND FORMATION AND CLEAVAGE
Europe EP1019531A4
A
direct assay for chloramphenicol acetyl transferase (CAT) has been
presented wherein the assay reagent comprises chloramphenicol, an acyl
CoA compound, and a tetrazolium salt, and wherein the reagent does not
have any added coupling redox enzymes. In one embodiment, the reagent is
mixed with the test sample and the presence of CAT is detected by an
optical response. In a second embodiment, the...more
---------------------------------------------------------------------------------------------------------------------------
RAPID, NON-ISOTOPIC METHOD FOR ALKALINE PHOSPHATASE DETECTION AND A SOLUTION OR COMPOSITION THEREFOR
United States 60/221,369
---------------------------------------------------------------------------------------------------------------------------------------------------
NOVEL METHOD FOR ALPHA AMINO ACID SYNTHESES AND USES THEREOF
United States 61/211,799
---------------------------------------------------------------------------------------------------------------------------------------------------
Histidine Derivatives
United States 12/918,995
Disclosed herein are the compositions and methods for a compound of Formula Ia or Ib.
---------------------------------------------------------------------------------------------------------------------------
HISTIDINE DERIVATIVES
United States PCT/US2010/029818
Disclosed herein are the compositions and methods for a compound of Formula Ia or Ib.
---------------------------------------------------------------------------------------------------------------------------
METHOD FOR ATTACHING MOLECULAR PROBES TO A SOLID SUPPORT
Europe WO/2005/103066A1
Disclosed
is a novel method for attaching aldehyde, ketone or carboxyamide
derivatives of molecular probes to hydrazide or hydrazine treated solid
supports under alkaline conditions. In contrast to chemistries commonly
used to attach biologically relevant molecules to a solid support (e.g.,
thiol or primary amine conjugation chemistry), the hydrazone bonds
disclosed here exhibit improved chemical...more
--------------------------------------------------------------------------------------------------------------------------
Stable reagent for formazan-based assay
Europe EP0971037A3
This
invention relates to a stable, all-in-one aqueous reagent comprising
5-methyl-phenazinium methyl sulfate (phenazine methosulfate (PMS)),
nitric acid and a metal salt wherein the metal is selected from the
group consisting of vanadium, manganese, cobalt, and mixtures thereof,
useful in assays which use alkaline phosphatase as a reporter enzyme and
a reduction of a tetrazolium salt to a...more
-------------------------------------------------------------------------------------------------------------------------
NON-RADIOACTIVE METHOD FOR DETECTING A LABELLED SEGMENT AND A SOLUTION OR COMPOSITION THEREFOR
Europe WO/1994/017211A1
A
non-radioactive method of detecting a ligand and antiligand complex
labelled with alkaline phosphatase or a tracer having alkaline
phosphatase conjugated thereto comprises reacting the complex with
bromo-chloro-indolyl phosphate (BCIP), phenazine methosulfate (PMS) and
dimethylthiazol diphenyl tetrazolium (MTT) and allowing the reaction to
proceed to produce a colored formazan or a color change...more
--------------------------------------------------------------------------------------------------------------------------
STABLE REAGENT FOR FORMAZAN-BASED ASSAY
Europe PCT/US 98/110273
This
invention relates to a stable, all-in-one aqueous reagent comprising
5-methyl-phenazinium methyl sulfate (phenazine methosulfate (PMS)),
nitric acid and a metal salt wherein the metal is selected from the
group consisting of vanadium, manganese, cobalt, and mixtures thereof,
useful in assays which use alkaline phosphatase as a reporter enzyme and
a reduction of a tetrazolium salt to a...more
-------------------------------------------------------------------------------------------------------------------------
HISTIDINE DERIVATIVES AND THEIR PHARMACEUTICAL USES
United States US2010/029818
Disclosed herein are the compositions and methods for a compound of Formula Ia or Ib.
----------------------------------------------------------------------------------------------------------------------------------------------------
A METHOD TO ASSAY ENZYMATIC COVALENT BOND FORMATION AND CLEAVAGE
Europe WO/1999/009209A1
A
nonradioactive method of detecting an enzymesubstrate reaction
comprising coupling said reaction with a tetrazolium salt and the
transfer of free electrons from the reaction to the tetrazolium salt to
produce a single colored or fluorescent formazan wherein the improvement
comprises assaying a plurality of compounds for enzyme activity.
--------------------------------------------------------------------------------------------------------------------------
HISTIDINE DERIVATIVES
United States US 2011/0245311
Disclosed herein are the compositions and methods for a compound of Formula Ia or Ib.
--------------------------------------------------------------------------------------------------------------------------
Stable reagent for formazan-base assay
Japan 2000-060599
A
reagent composition useful e.g. for the assay using the reduction of a
tetrazolium salt into a formazan as a detection/signalization system for
the presence of a target substance in a specimen is produced by adding
and mixing an aqueous solution containing 5-methyl-phenazinium methyl
sulfate, nitric acid and a salt of a metal such as vanadium, manganese,
cobalt or their mixture at a...more
---------------------------------------------------------------------------------------------------------------------------
